Here are some Christmas tree fun facts from The Encyclopedia of Trivia
The Christmas tree is believed to have originated in Germany. In the sixteenth century, German city merchants carried a fir tree decorated with paper flowers through the streets on Christmas Eve.
Hessian soldiers from Germany put up the first Christmas tree recorded in the USA. They were mercenaries hired from Prussia by King George III of England to fight in the Revolutionary War.
Production of ornaments and baubles on a mass scale started in Germany in the 1880s when a group of German entrepreneurs toyed began making little glass toys and other forms for hanging on Christmas trees.
The first plastic artificial Christmas tree was manufactured in 1930 by a British based company that made toilet brushes, the Addis Housewares Company. The trees were made from the same animal-hair bristles used in the brushes, save they were dyed green.
In Ukraine spiders or spider webs are common Christmas tree decorations. Spiders are seen as signs of goodness and prosperity during the festive season.
It takes the average Christmas Tree seven to ten years to mature. The average age of a Christmas tree when it's sold is fifteen.